condition mean min max 4 h after light 0.4818765 0.431794 0.531959 8 h after light 0.8591985 0.505827 1.21257 12 h after light 0.36564050000000003 0.29473 0.436551 4 h after dark 0.09245033333333334 0.0 0.277351 8 h after dark 0.191879 0.123223 0.287889 12 h after dark 0.20855 0.0 0.3385